70165066 has 4 divisors (see below), whose sum is σ = 105247602. Its totient is φ = 35082532.

The previous prime is 70165037. The next prime is 70165079. The reversal of 70165066 is 66056107.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 68409441 + 1755625 = 8271^2 + 1325^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17541265 + ... + 17541268.

Almost surely, 2^70165066 is an apocalyptic number.

70165066 is a deficient number, since it is larger than the sum of its proper divisors (35082536).

70165066 is a wasteful number, since it uses less digits than its factorization.

70165066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35082535.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 70165066 is about 8376.4590370872. The cubic root of 70165066 is about 412.4522204837.

The spelling of 70165066 in words is "seventy million, one hundred sixty-five thousand, sixty-six".